package ch4.sohu.com;
public class p90{
	double sideA,sideB,sideC;
	public double getArea() {
	double p=(sideA+sideB+sideC)/2.0;
	double area=Math.sqrt(p*(p-sideA)*(p-sideB)*(p-sideC));
	return area;
}
public void setSides(double a,double b,double c) {
	sideA=a;
	sideB=b;
	sideC=c;
	}
}
